30868957 has 12 divisors (see below), whose sum is σ = 37478560. Its totient is φ = 24901056.

The previous prime is 30868931. The next prime is 30868961. The reversal of 30868957 is 75986803.

It is not a de Polignac number, because 30868957 - 2¹¹ = 30866909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30868657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5607 + ... + 9652.

Almost surely, 2^30868957 is an apocalyptic number.

It is an amenable number.

30868957 is a deficient number, since it is larger than the sum of its proper divisors (6609603).

30868957 is a wasteful number, since it uses less digits than its factorization.

30868957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15300 (or 15283 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 30868957 is about 5555.9838912653. The cubic root of 30868957 is about 313.6947992599.

The spelling of 30868957 in words is "thirty million, eight hundred sixty-eight thousand, nine hundred fifty-seven".